CN207485856U - A kind of taper roller is the bearing of composite structure - Google Patents

Abstract

A kind of taper roller is the bearing of composite structure, is related to a kind of taper roll bearing, taper roller（5）Including rolling element A（11）, rolling element B（15）With rolling element C（18）, bulb A（13）It is placed in ball-and-socket A（14）It is interior and with ball-and-socket A（14）Flexural pivot connects, bulb B（16）It is placed in ball-and-socket B（19）It is interior and with ball-and-socket B（19）Flexural pivot connects；The utility model passes through the three stage structure that is set as connecting by flexural pivot between three rolling elements by taper roller, it realizes after a rolling element in a taper roller is worn, other two rolling elements also are able to work on, reduce the abrasion to the utility model outer ring inner wall and interior ring outer wall simultaneously, the annular groove set in outer ring inner wall is after embedded oil suction ring, efficiently solve taper roll bearing operation when taper roller to machine inside get rid of oil the drawbacks of, realize the utility model steady and long-life purpose when being used in robot or host.

Description

A kind of taper roller is the bearing of composite structure

【Technical field】

The utility model is related to a kind of taper roll bearing, more particularly, to the axis that a kind of taper roller is composite structure It holds.

【Background technology】

Bearing is a kind of important spare part in contemporary mechanical equipment, its major function is the mechanical rotary body of support, is dropped Friction coefficient in its low motion process, and ensure its rotating accuracy；The hosts bearing such as lathe is mainly used for the main shaft of lathe, machine The main shaft bearing of bed is the core that lathe is able to good operation, and the apolegamy of different bearings just determines the different load of machine tool chief axis Ability, running speed, rigidity, Wen Sheng and service life, the especially influence to rigidity and Wen Sheng are more notable, so should basis Main shaft bearing is reasonably configured in the requirement of lathe working characteristics；Existing main shaft bearing is generally taper roll bearing, circular cone rolling Sub- bearing is mainly used for bearing radial direction based on radial load and axial connected load, taper roll bearing are using process In, taper roller rolls between the Internal and external cycle of bearing, and the both ends of taper roller are limited by retainer, since single circular cone rolls Sub- individual is larger, so after one of taper roller abrasion deformation in taper roll bearing, this taper roller exists Rolling track can become abnormal during rolling, it is easy to wear the outer ring inner wall being in contact with it and interior ring outer wall simultaneously, Jin Erzao Into the abrasion of other taper rollers, ultimately causing entire taper roll bearing can not use.

【Invention content】

In order to overcome the shortcomings of in background technology, the utility model discloses the bearing that a kind of taper roller is composite structure, By the three stage structure for being set as connecting by flexural pivot between three rolling elements by taper roller, realize when a circular cone rolls After a rolling element in son is worn, other two rolling elements also are able to work on, while reduce new to this practicality The abrasion of type outer ring inner wall and interior ring outer wall, the annular groove set in outer ring inner wall efficiently solve after embedded oil suction ring During taper roll bearing operation taper roller to machine inside get rid of oil the drawbacks of, realize the utility model in robot or master Steady and the long-life purpose when being used on machine.

In order to realize the goal of the invention, the utility model adopts the following technical solution：

A kind of taper roller is the bearing of composite structure, including outer ring, taper roller, retainer and inner ring, outer ring it is outer It encloses inner wall and expands neck opposite side necking down for side, the expansion neck side of inner wall is equipped with annular groove in outer ring, is embedded in annular groove Oil suction ring, the interior ring outer wall of inner ring expand neck opposite side necking down for side, and annular protrusion A is equipped in the expansion neck side of interior ring outer wall, Annular protrusion B is equipped in the necking down side of interior ring outer wall, taper roller expands neck opposite side necking down for side, and taper roller includes rolling Kinetoplast A, rolling element B and rolling element C, rolling element A expand neck opposite side necking down for side, are set in one side end of expansion neck of rolling element A There is cone A, bulb A is equipped in the end of cone A, rolling element B expands neck opposite side necking down for side, in rolling element B necking downs side The centre of end is equipped with ball-and-socket A, and the centre for expanding one side end of neck in rolling element B is equipped with ball-and-socket B, and rolling element C is one Neck opposite side necking down is expanded in side, and cone B is equipped in one side end of necking down of rolling element C, and bulb B, bulb are equipped in the end of cone B A is placed in ball-and-socket A and is connected with ball-and-socket A flexural pivots, and bulb B is placed in ball-and-socket B and is connected with ball-and-socket B flexural pivots, will be more by retainer A spaced taper roller according to the expansion neck side of multiple taper rollers be located at interior ring outer wall expansion neck side be limited in Between the annular protrusion A of ring outer wall and annular protrusion B, the outer ring inner wall sleeve of outer ring is in the outer of multiple spaced taper rollers Portion.

The taper roller is the bearing of composite structure, and the outer ring outer wall of outer ring is ring plain structure.

The taper roller is the bearing of composite structure, is set between the outer ring outer wall of outer ring and the both ends of the surface of outer ring For chamfered transition.

The taper roller is the bearing of composite structure, and the inner ring inner wall of inner ring is ring plain structure.

The taper roller is the bearing of composite structure, is set between the inner ring inner wall of inner ring and the both ends of the surface of inner ring For chamfered transition.

By adopting the above-described technical solution, the utility model has the advantages that：

Taper roller described in the utility model is the bearing of composite structure, by the way that taper roller is set as three rollings The three stage structure connected between body by flexural pivot, realizes after a rolling element in a taper roller is worn, Other two rolling elements also are able to work on, while reduce the mill to taper roll bearing outer ring inner wall and interior ring outer wall Damage, the annular groove set in outer ring inner wall is after embedded oil suction ring, circular cone when efficiently solving taper roll bearing operation Roller to machine inside get rid of oil the drawbacks of, it is steady and the long-life when being used in robot or host to realize the utility model Purpose；The utility model is novel in design unique, highly practical, energy-saving, there is very big market popularization value.

【Description of the drawings】

Fig. 1 is the structure diagram of the utility model；

Fig. 2 is the outer ring structure schematic diagram of the utility model；

Fig. 3 is the inner ring structure schematic diagram of the utility model；

Fig. 4 is the taper roller assembling structure schematic diagram of the utility model；

Fig. 5 is the taper roller half sectional view of the utility model.

In figure：1st, outer ring；2nd, annular groove；3rd, oil suction ring；4th, outer ring inner wall；5th, taper roller；6th, retainer；7th, it is annular Raised A；8th, interior ring outer wall；9th, inner ring；10th, annular protrusion B；11st, rolling element A；12nd, cone A；13rd, bulb A；14th, ball-and-socket A； 15th, rolling element B；16th, bulb B；17th, cone B；18th, rolling element C；19th, ball-and-socket B.

【Specific embodiment】

The utility model can be explained in more detail by the following examples, the utility model is not limited to following Embodiment, open the purpose of this utility model are intended to all changes and improvements in protection the scope of the utility model；

Taper roller with reference to described in attached drawing 1~5 is the bearing of composite structure, including outer ring 1, taper roller 5, retainer 6 and inner ring 9, the outer ring inner wall 4 of outer ring 1 expands neck opposite side necking down for side, and in outer ring, it is recessed to be equipped with annular for the expansion neck side of inner wall 4 Slot 2 is embedded with oil suction ring 3 in annular groove 2, and the outer ring outer wall of outer ring 1 is ring plain structure, the outer ring outer wall in outer ring 1 Chamfered transition is set as between the both ends of the surface of outer ring 1, the interior ring outer wall 8 of inner ring 9 expands neck opposite side necking down for side, in inner ring The expansion neck side of outer wall 8 be equipped with annular protrusion A7, the necking down side of interior ring outer wall 8 be equipped with annular protrusion B10, inner ring 9 it is interior Circle inner wall is ring plain structure, and chamfered transition, circular cone are set as between the inner ring inner wall of inner ring 9 and the both ends of the surface of inner ring 9 Roller 5 expands neck opposite side necking down for side, and taper roller 5 includes rolling element A11, rolling element B15 and rolling element C18, rolling element A11 expands neck opposite side necking down for side, cone A12 is equipped in one side end of expansion neck of rolling element A11, in the end of cone A12 Expand neck opposite side necking down equipped with bulb A13, rolling element B15 for side, set in the centre of one side end of rolling element B15 necking downs There is ball-and-socket A14, the centre for expanding one side end of neck in rolling element B15 is equipped with ball-and-socket B19, and rolling element C18 is another for side expansion neck Side necking down, cone B17 is equipped in one side end of necking down of rolling element C18, and bulb B16, bulb are equipped in the end of cone B17 A13 is placed in ball-and-socket A14 and is connected with ball-and-socket A14 flexural pivots, and bulb B16 is placed in ball-and-socket B19 and is connected with ball-and-socket B19 flexural pivots, Multiple spaced taper rollers 5 are located at interior ring outer wall 8 according to the expansion neck side of multiple taper rollers 5 by retainer 6 Expand neck side to be limited between the annular protrusion A7 of interior ring outer wall 8 and annular protrusion B10, the outer ring inner wall 4 of outer ring 1 is sleeved on multiple The outside of spaced taper roller 5.

Implement the bearing that taper roller described in the utility model is composite structure, in use, in the interior ring outer wall of inner ring 9 A small amount of bearing oil is smeared on 8, retainer 6 is placed on inner ring 9, the multiple taper rollers being then equipped on retainer 6 Matched taper roller 5 is respectively put into slot, puts on outer ring 1；The utility model needs to bear to come in high-speed cruising From pressure axially and radially, the three stage structure that taper roller 5 is set as connecting by flexural pivot between three rolling elements, when After a rolling element in one taper roller 5 is worn, other two rolling elements in the taper roller 5 can also be normal Operating, the rolling element after abrasion is smaller to the damage of outer ring inner wall 4 and interior ring outer wall 8 being in contact with it, and ensure that this practicality is new The even running of type；The bearing oil smeared on interior ring outer wall 8 can be attached with the rotation of taper roller 5 on outer ring inner wall 4 And it is flowed, and most bearing oil is got rid of to machine inside at last, the inner wall 4 in outer ring to the expansion neck end of outer ring inner wall 4 along outer ring inner wall 4 The annular groove 2 for expanding the setting of neck end after embedded oil suction ring 3, can effectively by along outer ring inner wall 4 to outer ring inner wall 4 Expand the bearing oil absorption of neck end flowing, avoid the drawbacks of the utility model gets rid of bearing oil to machine inside at runtime.

The non-detailed portion of the utility model is the prior art.

Claims (5)

1. a kind of taper roller is the bearing of composite structure, including outer ring（1）, taper roller（5）, retainer（6）And inner ring （9）, it is characterized in that：Outer ring（1）Outer ring inner wall（4）Expand neck opposite side necking down for side, in outer ring inner wall（4）Expansion neck side Equipped with annular groove（2）, in annular groove（2）It is embedded with oil suction ring（3）, inner ring（9）Interior ring outer wall（8）It is another to expand neck for side Side necking down, in interior ring outer wall（8）Expansion neck side be equipped with annular protrusion A（7）, in interior ring outer wall（8）Necking down side be equipped with Annular protrusion B（10）, taper roller（5）Expand neck opposite side necking down, taper roller for side（5）Including rolling element A（11）, roll Body B（15）With rolling element C（18）, rolling element A（11）Expand neck opposite side necking down for side, in rolling element A（11）Expansion neck side End is equipped with cone A（12）, in cone A（12）End be equipped with bulb A（13）, rolling element B（15）Expand neck opposite side for side Necking down, in rolling element B（15）The centre of one side end of necking down is equipped with ball-and-socket A（14）, in rolling element B（15）Expand one side of neck The centre in portion is equipped with ball-and-socket B（19）, rolling element C（18）Expand neck opposite side necking down for side, in rolling element C（18）Necking down One side end is equipped with cone B（17）, in cone B（17）End be equipped with bulb B（16）, bulb A（13）It is placed in ball-and-socket A（14）It is interior And with ball-and-socket A（14）Flexural pivot connects, bulb B（16）It is placed in ball-and-socket B（19）It is interior and with ball-and-socket B（19）Flexural pivot connects, by retainer （6）By multiple spaced taper rollers（5）According to multiple taper rollers（5）Expansion neck side be located at interior ring outer wall（8）'s Expand neck side and be limited to interior ring outer wall（8）Annular protrusion A（7）With annular protrusion B（10）Between, outer ring（1）Outer ring inner wall （4）It is sleeved on multiple spaced taper rollers（5）Outside.

2. taper roller according to claim 1 is the bearing of composite structure, it is characterized in that：Outer ring（1）Outer ring outer wall For ring plain structure.

3. taper roller according to claim 2 is the bearing of composite structure, it is characterized in that：In outer ring（1）Outer ring outside Wall and outer ring（1）Both ends of the surface between be set as chamfered transition.

4. taper roller according to claim 1 is the bearing of composite structure, it is characterized in that：Inner ring（9）Inner ring inner wall For ring plain structure.

5. taper roller according to claim 4 is the bearing of composite structure, it is characterized in that：In inner ring（9）Inner ring in Wall and inner ring（9）Both ends of the surface between be set as chamfered transition.